I am having trouble change the center of interest of the digger. Is there a trick that I am unware of?
You always have to go back to the Change Center of Interest tool. Drag the tool to a new location to point at something else. Drag the tool back into the Digger circle to remove the attachment point.
You cannot drag the attachment point to change the center of interest.
To further clarify what Joe was saying, you have to left click-drag from the circled icon (center of interest) to where you want it to be. Once you let go of the left mouse button, you have to start the pull drag again.
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